[Coco] CGA to VGA/TFT converter

Frank Swygert farna at amc-mag.com
Wed Dec 12 11:44:46 EST 2012


Date: Tue, 11 Dec 2012 12:45:07 -0500
From: Gene Heskett<gheskett at wdtv.com>

On Tuesday 11 December 2012 12:44:06 Mark Ormond did opine:

> I've got one of those, and yes they mean CGA in the arcade sense, not in
> the IBM sense. So analog rgb 15K input with Video amplitude of 2-5V
> point to point.
>
Yup, the gime's nominally .7 volts of video is a bit puny to drive those to
full output.

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So it needs combined sync and a signal amp to really work properly. Can anyone whip up a simple circuit to do those two thing? Gene??

-- 
Frank Swygert
Editor - American Motors Cars Magazine
www.amc-mag.com




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